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● TWO GAME MODES
Two fully-featured game modes: Smartphone Mode, an exclusive adaptation tailored to the iPhone/iPod touch portable format, and Arcade Mode, a port of the arcade shooter classic.

● Ends during the Stage 1 Boss fight.

● Selectable difficulty

● Customize your settings like the Full Version in the Options

### IMPORTANT ### : Please read the below before purchasing.
This game will only run on iPhone 3GS, iPod touch 3rd Gen (iOS 4.3 and up) and later devices, as well as iPad (iOS4.3 and up). Other devices are incompatible.
※Since this application uses a significant amount of memory, it is possible that it will crash when device memory is low. If this happens, please consult our Support Page.
※Turning the expand/shrink accessibility function "ON" may interfere with in-game play.